The alkylation of isoparaffin with olefin is an important process of petroleum processing.异构烷烃与低分子烯烃的烷基化反应是石油加工的重要过程之一.Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis re...
采用磁控溅射法制备锰铜薄膜,溅射和真空蒸发法制备镱薄膜.Thin film manganin gages and ytterbium gages were fabricated by magnetron sputtering.方法采用逆相蒸发法制备脂质体.Methods: The liposomes were prepared by the reverse evaporating method.采用逆相蒸发法首次制备N, N-双十二烷基...
There were the vast repositories where the corrected documents were stored.还有庞大的存档室存放改正后的文件.These books are repositories of human knowledge.这些书就是人类知识的宝库.For more information, see the Repositories page.要了解更详细信息, 查看[Reposi...